The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when you can plant dusty miller is to look at the USDA zone info for Crookston.

Planting Calendar for Dusty Miller

Frost tolerance for dusty miller:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Dusty Miller tend to make it in quite a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant dusty miller in Crookston is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant dusty miller and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dusty miller may not have a chance to fully mature. Starting your dusty miller indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Crookston. In the coldest months of winter you should expect an average low temperature of -30°F.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Crookston and it is different every year. Half of the time in Crookston it frosts late in the year after May 15 so make sure that you are prepared to cover your dusty miller in the event of a surprise late frost.

USDA Zone Info for Crookston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Crookston

You may be interested in your other planting guides for Crookston.